https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66915
--- Comment #3 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Tue Jul 21 08:26:32 2015 New Revision: 226028 URL: https://gcc.gnu.org/viewcvs?rev=226028&root=gcc&view=rev Log: [match.pd] PR middle-end/66915 Restrict A - B -> A + (-B) to non-fixed-point types PR middle-end/66915 * match.pd (A - B -> A + (-B)): Don't allow folding when type if a fixed-point type. Modified: trunk/gcc/ChangeLog trunk/gcc/match.pd